package com.hbnu.cookie;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author kittychen
 * @since 2025-11-04 15:34
 */
@WebServlet("/cookieDemo02")
public class CookieDemo02 extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        Cookie[] cookies = req.getCookies();
        if (cookies != null) {
            for (Cookie cookie : cookies) {
                if ("visitedTime".equals(cookie.getName())) {
                    cookie.setMaxAge(0);  // 删除Cookie
                    resp.addCookie(cookie);
                    resp.getWriter().println("删除Cookie成功");
                }
            }
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doGet(req, resp);
    }
}
